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Joint-Use U.S. Navy and Air Force Battery Maintenance Technical Order

Joint-Use U.S. Navy and Air Force Battery Maintenance Technical Order. Tri-Service Power Expo Briefing. Mr. Barry Newman NAVSEA Crane (812) 854-4153. Mr. Steven Barry OC-ALC, Tinker AFB. (405) 734-8268. WHY ARE WE HERE?. Tri-Service Battery Specifications.

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Joint-Use U.S. Navy and Air Force Battery Maintenance Technical Order

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  1. Joint-Use U.S. Navy and Air Force Battery Maintenance Technical Order Tri-Service Power Expo Briefing Mr. Barry Newman NAVSEA Crane (812) 854-4153 Mr. Steven Barry OC-ALC, Tinker AFB. (405) 734-8268

  2. WHY ARE WE HERE?

  3. Tri-Service Battery Specifications • MIL-B-81757 – Vented Ni-Cd batteries with improved gas barriers (Permion, Celgard) • MIL-PRF-81757 – LMV Ni-Cd batteries • MIL-B-8565 – Medium-Rate Batteries • MIL-PRF-8565 – Recombinant/Sealed Lead Acid Batteries (SLAB) • MIL-P-18148–Aircraft Battery Power Connectors • MIL-PRF-18148- Aircraft Battery High-Power Receptacles and Connectors

  4. Joint-Use Battery Maintenance • Standardized Navy and Air Force Ni-Cad and SLAB Battery Maintenance Procedures • Common procedures listed in the Joint-Use Aircraft Battery Technical Order (T.O.) 17-15BAD-1/8D2-62-1 • Authorizes Navy to service AF batteries and vice versa. • Standardized procedures will save Time, Money and Resources

  5. Ni-Cd Maintenance • Ni-Cd problems can be evaluated without completely disassembling the battery • Current Leakage caused by electrolyte can be fixed by flushing case with water. Wet batteries will not effect electrical leakage test. • Cracks in the receptacle housing cause the majority of current leakage problems • Cells with electrical/electrolyte leakage problems can easily be found after removing the cell interconnect links.

  6. Ni-Cd Maintenance • Only disassemble batteries to replace defective component, test component or resolve current leakage problems. • Number each cell before disassembly and reinstall cells in the same position they were removed from to avoid gaps between cells. - Subsequent use causes cells to grow together again and gaps between the cell bodies should be avoided to prevent cell jar leakage.

  7. Ni-Cd Maintenance • New Joint-Use Ni-Cd ReFLEX Charge/Discharge procedures. • Initial Charge (15 minutes) • ReFLEX (Main Charge up to 2 hours) • Topping Charge (40 minutes, measure cell voltages and adjust cell electrolyte)

  8. SLAB Maintenance • SLAB’s were being condemned in the field for non-recovery from accidental on-wing discharges (low-volts) • New Joint-Use SLAB recovery procedures have recovered 24 volt batteries from 6 volts.

  9. QUESTIONS AND ANSWERS Mr. Steven Barry OC-ALC, Tinker AFB. (405) 734-8268 Mr. Barry Newman NAVSEA Crane (812) 854-4153

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